--- title: Impact Of Vegetation In 5G Predictions In Dense Urban Areas description: 5G propagation is seriously affected by trees and vegetation. Our study shows why trees must be included in telcos’ modeling for 5G image: https://www.luxcarta.com/hubfs/Imported_Blog_Media/5g-propagation.jpeg --- [![image (3)](https://www.luxcarta.com/hubfs/image%20(3).png)](https://www.luxcarta.com) - [Markets](https://www.luxcarta.com/markets) - [Telecom](https://www.luxcarta.com/markets/telecom/) - [Simulation & Training](https://www.luxcarta.com/markets/simulation-and-training/) - [Risk Modeling](https://www.luxcarta.com/insurance-government-flood-risk-hdtm-data-luxcarta) - [GeoData](https://www.luxcarta.com/products/) - [RF Planning for Telecom](https://www.luxcarta.com/products/planner/) - [DxM](https://www.luxcarta.com/digital-elevation-models) - [PopMaps](https://www.luxcarta.com/products/pop-maps) - Software - [SimpliCity](https://www.luxcarta.com/simplicity) - [SuperRes](https://www.luxcarta.com/luxcarta-superres) - [BrightEarth](https://www.luxcarta.com/products/brightearth/) - [Click2Poly](https://www.luxcarta.com/click2poly) - [Use Cases](https://www.luxcarta.com/use-cases) - [Ending the digital divide](https://www.luxcarta.com/use-cases/ending-the-digital-divide/) - [FTTH](https://www.luxcarta.com/use-cases/ftth/) - [HDTM](https://www.luxcarta.com/hdtm-for-flood-modeling) - [Projects](https://www.luxcarta.com/projects) - [Coverage & Geospatial Data](https://www.luxcarta.com/projects/tag/coverage-geospatial-data) - [Gallery](https://www.luxcarta.com/gallery) - [Company](https://www.luxcarta.com/company/) - [About us](https://www.luxcarta.com/company/about-us/) - [Trusted By](https://www.luxcarta.com/trusted-by-global-telecom-defense-simulation-leaders-luxcarta) - [Blog & News](https://www.luxcarta.com/blog) - [CSR Approach](https://www.luxcarta.com/company/csr-approach) - [Knowledge Base](https://www.luxcarta.com/knowledge-base) [Contact](https://www.luxcarta.com/contact) [![image (3)](https://www.luxcarta.com/hubfs/image%20(3).png)](https://www.luxcarta.com) - [Markets](https://www.luxcarta.com/markets) - [Telecom](https://www.luxcarta.com/markets/telecom/) - [Simulation & Training](https://www.luxcarta.com/markets/simulation-and-training/) - [Risk Modeling](https://www.luxcarta.com/insurance-government-flood-risk-hdtm-data-luxcarta) - [GeoData](https://www.luxcarta.com/products/) - [RF Planning for Telecom](https://www.luxcarta.com/products/planner/) - [DxM](https://www.luxcarta.com/digital-elevation-models) - [PopMaps](https://www.luxcarta.com/products/pop-maps) - Software - [SimpliCity](https://www.luxcarta.com/simplicity) - [SuperRes](https://www.luxcarta.com/luxcarta-superres) - [BrightEarth](https://www.luxcarta.com/products/brightearth/) - [Click2Poly](https://www.luxcarta.com/click2poly) - [Use Cases](https://www.luxcarta.com/use-cases) - [Ending the digital divide](https://www.luxcarta.com/use-cases/ending-the-digital-divide/) - [FTTH](https://www.luxcarta.com/use-cases/ftth/) - [HDTM](https://www.luxcarta.com/hdtm-for-flood-modeling) - [Projects](https://www.luxcarta.com/projects) - [Coverage & Geospatial Data](https://www.luxcarta.com/projects/tag/coverage-geospatial-data) - [Gallery](https://www.luxcarta.com/gallery) - [Company](https://www.luxcarta.com/company/) - [About us](https://www.luxcarta.com/company/about-us/) - [Trusted By](https://www.luxcarta.com/trusted-by-global-telecom-defense-simulation-leaders-luxcarta) - [Blog & News](https://www.luxcarta.com/blog) - [CSR Approach](https://www.luxcarta.com/company/csr-approach) - [Knowledge Base](https://www.luxcarta.com/knowledge-base) [Contact](https://www.luxcarta.com/contact) - > - [LuxCarta Blog](https://www.luxcarta.com/blog) > - [RF Planning](https://www.luxcarta.com/blog/tag/rf-planning) > - Our research shows why 5G propagation models must include vegetation and trees # Our research shows why 5G propagation models must include vegetation and trees 5G propagation is seriously affected by trees and vegetation. Our study shows why trees must be included in telcos’ modeling for 5G [RF Planning](https://www.luxcarta.com/blog/tag/rf-planning) [LuxCarta Team](https://www.luxcarta.com/blog/author/luxcarta-marketing) Jan 11, 2024 Listen to audio version of this blog post: Impact Of Vegetation In 5G Predictions In Dense Urban Areas 5:41 *5G propagation is known to be affected by trees, especially at millimeter wave (mmWave) frequencies. However, many telecom providers’ propagation models don’t take vegetation into account. This could be a problem for the rollout of the 5G network. * **At a glance:** - mmWave frequency bands are impacted by trees and vegetation - We compared 5G propagation models with and without the presence of vegetation - Find out how much of an impact trees and vegetation have on 5G propagation - Learn why trees and plants affect wave propagation Telecom providers are currently going through a period of rapid change as they expand their 5G wireless networks. [Statistics](https://www.ericsson.com/en/reports-and-papers/mobility-report/dataforecasts/mobile-subscriptions-outlook) from Ericsson show consumer demand is high (there are already ~1 billion consumer 5G subscriptions worldwide), and we’re seeing [uptake](https://www.verdict.co.uk/top-ranked-telecom-services-companies-in-5g/) in countries around the world.   Unlike previous generations of wireless communication system, 5G – and particularly mmWave 5G – requires more cells to be installed close to where people use the services. This is because the high frequency of mmWave 5G attenuates (loses strength) over much shorter distances.  To plan out their 5G wireless networks, telcos use maps to decide where to place base stations in order to achieve the most efficient 5G propagation (transmission). The problem, however, is that many are using maps that don’t contain all the information they need to accurately predict wave propagation – including the location of obstacles such as trees.  To illustrate this issue, we conducted a comparative study of 5G propagation in Barcelona using 3D maps. We compared 5G path loss modeling in a map that contained trees, versus another one where trees weren’t included. Let’s learn more about this issue, then explore the results of our study.  ## The issue of vegetation and other obstacles in 5G propagation Trees and other forms of vegetation are an invaluable part of the urban landscape. They make cities more attractive, offer shade and cooling, and they absorb air pollution. And most people really appreciate their presence. But for 5G propagation, vegetation is an issue.  A recent [study](https://www.emergingtechbrew.com/stories/2022/01/19/one-of-the-fastest-forms-of-5g-is-disrupted-by-trees) in the US showed that, on average, a single tree causes a mmWave propagation loss of 35.3 decibels (it varies by tree species, foliage, crown size, age, and other factors). A single tree can significantly attenuate mmWave propagation, and so larger numbers of trees (a small wood, a few trees planted on a row, or on a roundabout…) have an even greater effect.  The extremely high-frequency signals of 5G often cannot pass through the wood. What is more, water stored in the trunk and leaves of trees also impacts radio frequency and makes it much less effective.  **Recommended reading:** [mmWave 5G will disappoint without better planning](https://www.luxcarta.com/blog/rf-planning/mmwave-5g/) ## Propagation models with and without vegetation included Over the past decade, 3D maps have become widely used for [planning cellular networks](https://www.luxcarta.com/products/planner/) in dense urban areas – particularly in places with high-rise buildings. These maps accurately model each building, the terrain, transportation networks, and other infrastructure.  With 5G however, the frequencies are higher than ever, ranging from 3.6 GHz — 3.8 GHz, and 26 GHz — 28 GHz. At these frequencies, any obstacle in the line of sight between the transmitter and the receiver will have a huge impact on the signal’s propagation. This means that even trees are highly attenuating to the signal (standard values around 1dB / meter at 26 GHz).  The following study compares predictions of 5G propagation with and without 3D trees being taken into account. This area counts five macro sites (antenna height = 30 meters) that we selected in Barcelona. ## Analysis – the impact of trees on 5G radio frequency For both frequencies in our study (3.6 GHz and 26 GHz) the channel modeling predictions without 3D trees were far too optimistic in both indoor and outdoor areas. The delta between the two scenarios (with and without trees) is 12.8% at 3.6 GHz and 10% at 26 GHz. Deploying a 5G network without taking into account the 3D trees would lead to lower connectivity and quality compared to the results expected in the simulation.  On the other hand, taking into account the 3D trees would allow telcos to plan their 5G network accurately from the beginning, deploying the right number of small cells necessary to guarantee full connectivity with a stable and robust network.  **Suggested:** [RF planning needs better maps](https://www.luxcarta.com/blog/rf-planning/rf-planning/) ## Successful 5G propagation depends on accurate models As 5G networks grow around the world, telecom businesses are rapidly scaling up deployments of 5G base stations and cellular networks throughout urban environments. However, if they fail to take into account the full picture of how obstacles such as trees affect 5G propagation, then many of their investments will perform poorly. Without accurate models that include trees, then technicians are likely to place base stations and equipment in unsuitable locations and at the wrong angle.  At LuxCarta, our mapping software uses the latest satellite images of the [entire planet](https://www.luxcarta.com/projects/coverage-data/), including dense urban areas. We use [artificial intelligence](https://www.luxcarta.com/products/brightearth/) to identify vegetation (not to mention [building footprints](https://www.luxcarta.com/blog/rf-planning/building-footprint/), roads, rivers, and other obstacles) and generate 3D models that help you better plan for network rollouts and 5G propagation. [Contact us today](https://www.luxcarta.com/contact/) to learn more. 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